Titanium surface nitriding by sodium amide in molten salts

Tao Wang; Yiyu Wang; Siyuan Gao; Juntian Fan; Sheng Dai

doi:10.1039/d5cc03614c

Titanium surface nitriding by sodium amide in molten salts

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Abstract

A crystalline titanium nitride (TiN) layer on titanium foil is achieved using sodium amide (NaNH₂) as a nitrogen source in LiCl-KCl molten salts. Nanoindentation testing revealed exceptional mechanical properties, with the nitrided surface achieving a hardness of approximately 20.6 GPa, representing more than a four-fold increase compared to the untreated titanium substrate.

Original language	English
Pages (from-to)	12976-12979
Number of pages	4
Journal	Chemical Communications
Volume	61
Issue number	69
DOIs	https://doi.org/10.1039/d5cc03614c
State	Published - Aug 21 2025

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10.1039/d5cc03614c

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title = "Titanium surface nitriding by sodium amide in molten salts",

abstract = "A crystalline titanium nitride (TiN) layer on titanium foil is achieved using sodium amide (NaNH2) as a nitrogen source in LiCl-KCl molten salts. Nanoindentation testing revealed exceptional mechanical properties, with the nitrided surface achieving a hardness of approximately 20.6 GPa, representing more than a four-fold increase compared to the untreated titanium substrate.",

author = "Tao Wang and Yiyu Wang and Siyuan Gao and Juntian Fan and Sheng Dai",

note = "Publisher Copyright: {\textcopyright} 2025 The Royal Society of Chemistry.",

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T1 - Titanium surface nitriding by sodium amide in molten salts

AU - Wang, Tao

AU - Wang, Yiyu

AU - Gao, Siyuan

AU - Fan, Juntian

AU - Dai, Sheng

PY - 2025/8/21

Y1 - 2025/8/21

N2 - A crystalline titanium nitride (TiN) layer on titanium foil is achieved using sodium amide (NaNH2) as a nitrogen source in LiCl-KCl molten salts. Nanoindentation testing revealed exceptional mechanical properties, with the nitrided surface achieving a hardness of approximately 20.6 GPa, representing more than a four-fold increase compared to the untreated titanium substrate.

AB - A crystalline titanium nitride (TiN) layer on titanium foil is achieved using sodium amide (NaNH2) as a nitrogen source in LiCl-KCl molten salts. Nanoindentation testing revealed exceptional mechanical properties, with the nitrided surface achieving a hardness of approximately 20.6 GPa, representing more than a four-fold increase compared to the untreated titanium substrate.

UR - https://www.scopus.com/pages/publications/105013781529

U2 - 10.1039/d5cc03614c

DO - 10.1039/d5cc03614c

M3 - Article

C2 - 40746309

AN - SCOPUS:105013781529

SN - 1359-7345

VL - 61

SP - 12976

EP - 12979

JO - Chemical Communications

JF - Chemical Communications

IS - 69

ER -

Titanium surface nitriding by sodium amide in molten salts

Abstract

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